To edit your property tax entry in TurboTax Deluxe select the Deductions & Credits tab click on I'll choose what I work on.
Scroll down the page in the Your Home section and click update/start on the Mortgage Interest, Refinancing, and insurance. Select Edit on the line with your bank select continue until you are at the page Let's get details from your--- bank name---- you may now edit your property tax information in the box Property (real estate) taxes paid.